Augite and Orthoclase Physical Properties

Augite

Orthoclase

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.19-3.562.54-2.61

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

Gems, Uneven

1.6 Cleavage

{110} Perfect, {010} Indistinct

Has perfect cleavage on {001} and good cleavage on {010}. Cleavages intersect at 90°.

1.7 Mohs Hardness

5.5-66

2 10

1.8 Chemical Composition

(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)

KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Augite and Orthoclase Chemical Formula

While comparing Augite and Orthoclase physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Augite and Orthoclase chemical formula.

Chemical formula of Augite- (Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Orthoclase- KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Augite and Orthoclase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Augite and Orthoclase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Augite and Orthoclase Optical Properties during the identification of gemstone. Specific gravity of Augite is 2.54-2.61 whereas that of Orthoclase is 2.54-2.61.